Whether you are performing a routine inspection or a full rebuild of a 243-12 or 243-8 model

this controller provides precise monitoring of plenum temperatures to manage fan cycles and high-limit safety cutouts

Key Benefits 42-inch plug-in lead provides ample length for various mounting configurations within the burner box

Key Benefits Precision Compatibility: Designed specifically for use with Maxitrol RV91 and 210E series regulators to ensure a perfect mechanical fit

meaning it stays open when pneumatic pressure is removed

Carrier LH33WZ007 Flame Sensor 320074-702 Whether you are performing aAs a veteran technician, you know that a failed Carrier LH33WZ007 Flame Sensor is one of the most common causes of nuisance furnace lockouts. This OEM furnace flame sensor is a critical safety component designed specifically for Carrier gas furnace troubleshooting and maintenance. Engineered to withstand the extreme temperatures of the burner assembly, the LH33WZ007 utilizes the principle of flame rectification to signal the furnace control board that